CN210208580U - A casting and rolling pre-cooling pouring device - Google Patents
A casting and rolling pre-cooling pouring device Download PDFInfo
- Publication number
- CN210208580U CN210208580U CN201920931479.9U CN201920931479U CN210208580U CN 210208580 U CN210208580 U CN 210208580U CN 201920931479 U CN201920931479 U CN 201920931479U CN 210208580 U CN210208580 U CN 210208580U
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- casting
- cooling
- pouring device
- plate
- cooler
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- 238000001816 cooling Methods 0.000 claims abstract description 88
- 238000005266 casting Methods 0.000 claims abstract description 65
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 11
- 239000007790 solid phase Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000007704 transition Effects 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000012071 phase Substances 0.000 abstract description 3
- 230000036760 body temperature Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 22
- 229910052782 aluminium Inorganic materials 0.000 description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a cast precooling pouring device that rolls, this cast precooling pouring device that rolls includes: two casting rolls arranged in parallel; a cooling plate disposed on a surface of each of the casting rolls; the cooling plate is directly contacted with the casting roller, and the contact surface of the cooling plate is a cambered surface; a circulating water cooling channel is arranged on the cooling plate; side sealing plates respectively arranged on two end surfaces of the two parallel casting rolls; the two casting rolls, the two side sealing plates and the two cooling plates surround to form a molten pool, and a flow distributor is arranged in the molten pool. The utility model discloses a liquid to the melting of cooling plate cools off in advance, makes high temperature melt body temperature reduce to near liquid solid phase transition critical temperature or form a small amount of solid phase composition in order to reduce the liquation latent heat energy, and then flows into two roller casting roll gap district back again, can improve the phase transition ability of molten metal fast to can realize cooling fast and rolling in the roll gap district, in order to reduce the cooling solidification time, improve the casting and rolling speed.
Description
Technical Field
The utility model relates to a production equipment in the non ferrous metal casting rolling production technical field, concretely relates to casting rolling precooling pouring device.
Background
The high-strength alloy aluminum has the characteristics of higher strength, good shaping, light density and the like, and is widely favored in the fields of aerospace, automobiles, military industry and the like. However, as only cast ingots can be used so far, and then the hot rolling and cold rolling are carried out after repeated heating, the production is limited in application and small in usage amount due to the factors of low efficiency, small yield and the like. The yield of high-strength alloy aluminum is small and contradicts with the large market demand, so people are forced to continuously update production technology.
In the existing aluminum casting and rolling production in China, the traditional aluminum strip casting and rolling machine is only suitable for producing pure aluminum, copper-aluminum alloy or alloy aluminum with lower strength, and meanwhile, the production speed is low, the production efficiency is low, the productivity is low, the production requirement of high-strength alloy aluminum is severely limited, particularly the requirement of high-strength alloy aluminum for automobile plates and the development of the high-strength alloy aluminum in a new and improved way, and higher and stronger requirements on the production efficiency, the production quality, the productivity and the like are increasingly provided. Therefore, the exploration of efficient production process and equipment for continuous casting and rolling of the alloy aluminum is a technical revolution guided by production requirements of enterprises, and is also a technical direction for production and development of high-strength alloy aluminum in the future.
At present, with the continuous update of scientific technology, the demand of China on high-strength and ultrahigh-strength alloy aluminum in various fields such as aviation, automobiles and the like is higher and larger, however, the currently required aviation-grade aluminum plates, automobile aluminum plates and the like are imported mostly, and the production requirement cannot be met. Particularly, in the production of high-strength alloy aluminum and alloy aluminum with high Mg content, the roller type casting rolling can not meet the production requirement, and the cooling capacity is not enough or the rolling capacity is not enough, and the main reason is that the temperature difference of a solid phase and a liquid phase is large, and the requirement of cooling rolling can not be met only by a roller type area.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model provides a cast-rolling precooling pouring device for solve among the prior art because of can not cast and roll high strength alloy aluminium, or can not cool off the casting, or its cast-rolling speed of low strength alloy aluminium is slow, production efficiency is low, owing to can not produce the alloy aluminium scheduling problem of high strength because of the cooling capacity is not enough even.
In order to achieve the above objects and other related objects, the utility model provides a cast precooling pouring device, this cast precooling pouring device includes:
two casting rolls arranged in parallel;
a cooling plate disposed on a surface of each of the casting rolls; the cooling plate is directly contacted with the casting roller, and the contact surface of the cooling plate is a cambered surface; a circulating water cooling channel is arranged on the cooling plate;
side sealing plates respectively arranged on two end surfaces of the two parallel casting rolls;
the two casting rolls, the two side sealing plates and the two cooling plates surround to form a molten pool, and a flow distributor is arranged in the molten pool.
Optionally, the cooling plates are arranged in the direction of the axis of the casting rolls.
Optionally, the flow distributor includes a body with a cavity, and the lower side of the cavity is provided with a plurality of outflow slots along the length direction.
Optionally, a cooler is arranged on each of the two casting rolls, the bottom surfaces of the coolers are in direct contact with the casting rolls, and the contact surfaces of the coolers are cambered surfaces; and a fluid channel is arranged in the cooler and is communicated with a circulating water cooling channel.
Optionally, the cooler includes a tank body, the tank body is divided into a plurality of sub-tank bodies, each sub-tank body has an inlet and an outlet, the outlets and inlets of two adjacent sub-tank bodies are alternately arranged, and the outlets and inlets of two adjacent sub-tank bodies are communicated to form the fluid channel in the tank body.
Optionally, the cooling plate is fixed to a side wall of the cooler adjacent the molten bath.
Optionally, the flow distributor is a tubular flow distributor, and the two coolers are respectively arranged symmetrically with respect to a center line of the flow distributor.
Optionally, the device further comprises a chute joint, which is butted with the flow distributor and extends into the bottom of the flow distributor.
Optionally, the method further comprises:
the two ends of the connecting and adjusting rod are provided with adjusting wheels;
the connecting rod is arranged on the connecting plate on the front side of the side sealing plate and the locking plate on the rear side of the side sealing plate respectively, through holes are formed in two ends of the connecting plate, and the connecting and adjusting rod is connected with the connecting plate through the through holes on the same side of the cooler.
Optionally, a vertical groove is formed in the side sealing plate, the connecting plate and the locking plate are connected through a bolt, and the bolt penetrates through the vertical groove.
As above, the utility model discloses a cast precooling pouring device that rolls has following beneficial effect:
the utility model discloses a liquid to the melting of cooling plate cools off in advance, make high temperature melt body temperature reduce to near the solid phase transition critical temperature of liquid or form a small amount of solid phase composition in order to reduce the liquation latent heat energy, and then flow into two roller casting roll gap district back again, can improve the phase transition ability of molten metal fast, so that can realize fast cooling and rolling in the roll gap district, in order to reduce the cooling solidification time, improve the casting speed, simultaneously under the cooperation of current distributor reposition of redundant personnel, can improve the purpose of casting production quality and productivity greatly.
Drawings
Fig. 1 shows a schematic front view of a casting-rolling precooling pouring apparatus provided for an embodiment of the present invention;
fig. 2 shows a right side view of a cast-rolling pre-cooling pouring apparatus provided for an embodiment of the present invention;
FIG. 3 shows a cross-sectional view of the pre-cooled casting apparatus J-J of FIG. 2 in accordance with an embodiment of the present invention;
the device comprises a left cooler, a left cooling plate, a chute joint, a tubular flow distributor, a right cooling plate, a right cooler, a connecting plate, a front side sealing plate, a connecting adjusting rod, a locking plate, a rear side sealing plate, a chute joint, a connecting rod, a locking plate and a connecting rod, wherein the left cooler is 1, the left cooling plate is 2, the chute joint is 3, the tubular flow distributor is 4, the right cooling plate.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relation or adjustment of the size should fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "front", "rear", "middle" and "a" used in the present specification are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.
The utility model provides a cast precooling pouring device for carry out leading cooling to the melt, reduce load for follow-up roll-type cooling, thereby satisfy a measure of production.
As shown in fig. 2 and 3, the precooling pouring device comprises a left cooling plate 2, a chute joint 3, a distributor 4, a right cooling plate 5, a front side sealing plate 8, a rear side sealing plate 11 and two casting rolls 12 which are arranged in parallel,
the left cooling plate 2 is arranged on one of the casting rollers, the left cooling plate is in direct contact with the casting rollers, the contact surface of the left cooling plate is an arc surface, and the curvature radius of the arc surface is the same as that of the casting rollers. The left cooling plate is provided with a circulating water cooling channel which is connected with a cooling circulating system; wherein the left cooling plate is disposed along a roll axis of the casting roll.
The right cooling plate 5 is arranged on the other casting roller, the right cooling plate is in direct contact with the casting roller, the contact surface of the right cooling plate is an arc surface, and the curvature radius of the arc surface is the same as that of the casting roller. A circulating water cooling channel is arranged on the right cooling plate and is connected with a cooling circulating system; wherein the right cooling plate is disposed along a roll axis of the casting roll.
The front side sealing plates are arranged on one end faces of the two casting rollers, the rear side sealing plates are arranged on the other end faces of the two casting rollers, and the front side sealing plates and the rear side sealing plates are ceramic and fiber composite plates. The left cooling plate, the right cooling plate, the front side sealing plate and the rear side sealing plate are in sealing contact with the casting roll to form a molten pool in a surrounding mode, and the flow distributor 4 is arranged in the molten pool.
The left cooling plate and the right cooling plate have high heat transfer performance, high heat resistance and high corrosion resistance, and are used for pre-cooling a molten mass passing through the flow distributor and reducing the temperature of the molten mass so as to reduce the superheat of the molten mass or maintain the solid-solid ratio of solidification in the molten mass within a certain range.
The flow distributor comprises a body with a cavity, the body is made of ceramics and fibers, an anti-sticking and anti-oxidation layer is arranged on the inner wall of the cavity, and a plurality of outflow grooves are formed in the side surface of the lower part of the cavity along the length direction and are mainly used for distributing and flowing melt fluid to a casting roll area so as to ensure that the flow direction of the liquid is stable and uniform.
And the chute joint 3 is butted with the flow distributor 4 and extends into the bottom of the flow distributor. Wherein, the chute joint is a ceramic joint.
In this embodiment, the melt enters the bottom of the distributor from the chute joint 3, fills the bottom of the distributor, and then flows out from the outflow slots on both sides of the distributor to the gap area between the two-roll casting rolls, in this process, the cooling plate cools the molten liquid in advance to reduce the temperature of the high-temperature melt to near the critical temperature of the liquid-solid phase transition or form a small amount of solid phase components to reduce the latent heat energy of the melt, and then flows into the gap area between the two-roll casting rolls to rapidly increase the phase change capability of the molten metal, so that rapid cooling and rolling can be realized in the gap area to reduce the cooling solidification time and increase the casting speed, and simultaneously, the aim of greatly improving the casting quality and productivity can be achieved with the cooperation of the distribution of the distributor.
In one embodiment, in order to enhance the precooling effect, a left cooler 1 and a right cooler 6 are respectively arranged on the two casting rolls; the left cooler and the right cooler are installed and connected with the upper foundation. The bottom surface of the left cooler is in direct contact with the casting roll, the contact surface of the left cooler is an arc surface, and the curvature radius of the arc surface is the same as that of the casting roll; the bottom surface of the right cooler is in direct contact with the casting rolls, the contact surface of the right cooler is an arc surface, and the curvature radius of the arc surface is the same as that of the casting rolls.
The left cooler and the right cooler comprise box bodies which are heat-resistant and oxidation-resistant structural bodies and are used for storing cooling circulating aqueous solution. The box body is divided into a plurality of sub-box bodies, each sub-box body is provided with an inlet and an outlet, the outlets and the inlets of two adjacent sub-box bodies are alternately arranged, and the outlets and the inlets of two adjacent sub-box bodies are communicated to form the fluid channel in the box body. The fluid channel can play a buffering role in cooling circulating water solution.
Further, the left cooling plate is fixed on the right side wall of the left cooler, so that a circulating water cooling channel of the left cooling plate is communicated with a fluid channel of the left cooling box; the right cooling plate is fixed on the left side wall of the right cooler, so that the circulating water cooling channel of the right cooling plate is communicated with the fluid channel of the right cooling box.
As shown in fig. 2, the pre-cooling pouring device further includes:
two connecting and adjusting rods 9 which are steel screws and are arranged on the two sides of the left cooler and the right cooler,
set up in the left connecting plate 7 of front side shrouding 8 and set up in the locking plate on front side shrouding right side, wherein, the connecting plate with the locking plate is steel structural slab. The upper end of the front side sealing plate is provided with a vertical groove, and a bolt penetrates through the vertical groove to connect the connecting plate and the locking plate together. Meanwhile, the bolt can move up and down in the vertical groove to adjust the height of the molten pool.
Set up in the left locking plate of rear side shrouding 11 and set up in the connecting plate on rear side shrouding right side, wherein, be provided with vertical groove in the upper end of rear side shrouding, the bolt passes vertical groove and connects connecting plate and locking plate once. Meanwhile, the bolt can move up and down in the vertical groove to adjust the height of the molten pool.
Two ends of the two connecting plates are respectively provided with a through hole, and the connecting adjusting rod connects the two connecting plates together through the through holes on the same side of the cooler. Adjusting wheels are arranged at two ends of the connecting adjusting rod and are positioned outside the connecting plate; the distance between the two connecting plates can be changed by screwing the adjusting wheels connected with the two ends of the adjusting rod, and the width of the molten pool can be changed.
And inlet and outlet connectors which are of welded steel structures are further arranged on the left cooler and the right cooler and are connected with a cooling pipeline for cooling the circulation fluid to ensure the normal operation of the coolers.
In one embodiment, the flow distributor is a tubular flow distributor, and the left cooler and the right cooler are respectively symmetrical relative to a central line of the tubular flow distributor. In the tubular flow distributor 4, the axis of the pipe is parallel to the bottom surfaces of the left and right coolers, the pipe orifice and the two bottom surfaces of the left and right coolers form a closed contact surface, and the outlet of the outflow groove of the flow distribution pipe is vertical to the left and right cooling plates.
The utility model discloses a cast precooling pouring device that rolls both had been applicable to the requirement of the high-speed roll-type cast rolling production of the thin strip of high-strength aluminum alloy, also was applicable to the demand of the thick strip roll-type cast rolling production of well low-speed, especially adapted to the demand of the high-speed production of rolling the thin strip of high-strength alloy.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931479.9U CN210208580U (en) | 2019-06-20 | 2019-06-20 | A casting and rolling pre-cooling pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931479.9U CN210208580U (en) | 2019-06-20 | 2019-06-20 | A casting and rolling pre-cooling pouring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210208580U true CN210208580U (en) | 2020-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920931479.9U Withdrawn - After Issue CN210208580U (en) | 2019-06-20 | 2019-06-20 | A casting and rolling pre-cooling pouring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210208580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170626A (en) * | 2019-06-20 | 2019-08-27 | 中冶赛迪工程技术股份有限公司 | A kind of casting pre-cooling casting device |
-
2019
- 2019-06-20 CN CN201920931479.9U patent/CN210208580U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170626A (en) * | 2019-06-20 | 2019-08-27 | 中冶赛迪工程技术股份有限公司 | A kind of casting pre-cooling casting device |
| CN110170626B (en) * | 2019-06-20 | 2024-02-06 | 中冶赛迪工程技术股份有限公司 | Casting-rolling precooling pouring device |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200331 Effective date of abandoning: 20240206 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200331 Effective date of abandoning: 20240206 |